Seiko Cal. 4570 - 327

This Spring Drive model from 1970 features a 46mm PVD Black case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-868720343dbe]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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